 <ul class="menu">
 	<li><a href="<?php echo base_url()."index.php/" ?>"><img border="0" src="images/btnPrincipal.png" alt=""/></a></li>
 	<li><a target="_blank" href="<?php echo base_url()."index.php/principal/mapas_visitante/" ?>"><img border="0" src="images/btnMapas.png" alt=""/></a></li>
	<li><a href="<?php echo base_url()."index.php/area_risco/" ?>"><img <?php if($this->session->userdata('id_usuario') != "") echo "style=display:block"; else echo "style=display:none" ?> border="0" src="images/btnAreaRisco.png" alt=""/></a></li>
	<li><a href="<?php echo base_url()."index.php/envolvidos/" ?>"><img <?php if($this->session->userdata('id_usuario') != "") echo "style=display:block"; else echo "style=display:none"?> border="0" src="images/btnEnvolvido.png" alt=""/></a></li>
	<li><a href="<?php echo base_url()."index.php/imovel/" ?>"><img <?php if($this->session->userdata('id_usuario') != "") echo "style=display:block"; else echo "style=display:none"?> border="0" src="images/btnImoveis.png" alt=""/></a></li>
	<li><a href="<?php echo base_url()."index.php/relatorios/" ?>"><img <?php if($this->session->userdata('id_usuario') != "") echo "style=display:block"; else echo "style=display:none"?> border="0" src="images/btnRelatorio.png" alt=""/></a></li>
	<li><a href="<?php echo base_url()."index.php/relatorios/" ?>"><img <?php if($this->session->userdata('id_usuario') != "") echo "style=display:block"; else echo "style=display:none"?> border="0" src="images/btnGaleria.png" alt=""/></a></li>
	<li><a href="<?php echo base_url()."index.php/usuarios/sair/" ?>"><img <?php if($this->session->userdata('id_usuario') != "") echo "style=display:block"; else echo "style=display:none"?> border="0" src="images/btnSair.png" alt=""/></a></li>
</ul>